Sheet metal blank used in the manufacture of polarized terminal blades



FIG. 1 is an elevational view of a sheet metal blank used in the manufacture of polarized terminal blades showing my new design, the blank being broken away at opposite extremities to indicate indeterminate length;

FIG. 2 is a top edge view thereof; and

FIG. 3 is a bottom edge view thereof.

The side opposite that shown in FIG. 1 is a mirror image thereof. 

The ornamental design for a sheet metal blank used in the manufacture of polarized terminal blades, substantially as shown and described. 